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    <title>Document</title>
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<body>
    <h1>Object.entries</h1>
</body>
<script>
    const user={
        name:'jack',
        age:20,
        address:'中国'
    }
    // 通过Object.entries()将对象转成数据
    const arr=Object.entries(user);
    // console.log(arr);
    for(let [key,value] of arr){
        console.log(key,value);
    }
</script>
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